Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-26-027657-index-headers.html | 2026-08-13 16:04:22 | |
| 0001437749-26-027657-index.html | 2026-08-13 16:04:22 | |
| 0001437749-26-027657.txt | 2026-08-13 16:04:22 | |
 0001437749-26-027657-xbrl.zip | 187512 | 2026-08-13 16:04:22 |
| ex_1003085.htm | 62233 | 2026-08-13 16:04:22 |
| ex_1003086.htm | 138907 | 2026-08-13 16:04:22 |
| ex_1003087.htm | 58459 | 2026-08-13 16:04:22 |
| ex_971335.htm | 8773 | 2026-08-13 16:04:22 |
| ex_971336.htm | 8771 | 2026-08-13 16:04:22 |
| ex_971337.htm | 6101 | 2026-08-13 16:04:22 |
| FilingSummary.xml | 32573 | 2026-08-13 16:04:22 |
| MetaLinks.json | 783575 | 2026-08-13 16:04:22 |
| R1.htm | 51770 | 2026-08-13 16:04:22 |
| R10.htm | 33475 | 2026-08-13 16:04:22 |
| R11.htm | 28346 | 2026-08-13 16:04:22 |
| R12.htm | 37585 | 2026-08-13 16:04:22 |
| R13.htm | 25325 | 2026-08-13 16:04:22 |
| R14.htm | 35924 | 2026-08-13 16:04:22 |
| R15.htm | 10274 | 2026-08-13 16:04:22 |
| R16.htm | 8031 | 2026-08-13 16:04:22 |
| R17.htm | 14067 | 2026-08-13 16:04:22 |
| R18.htm | 5381 | 2026-08-13 16:04:22 |
| R19.htm | 13370 | 2026-08-13 16:04:22 |
| R2.htm | 153682 | 2026-08-13 16:04:22 |
| R20.htm | 460928 | 2026-08-13 16:04:22 |
| R21.htm | 403773 | 2026-08-13 16:04:22 |
| R22.htm | 16751 | 2026-08-13 16:04:22 |
| R23.htm | 28546 | 2026-08-13 16:04:22 |
| R24.htm | 30148 | 2026-08-13 16:04:22 |
| R25.htm | 25394 | 2026-08-13 16:04:22 |
| R26.htm | 31219 | 2026-08-13 16:04:22 |
| R27.htm | 25370 | 2026-08-13 16:04:22 |
| R28.htm | 23135 | 2026-08-13 16:04:22 |
| R29.htm | 76311 | 2026-08-13 16:04:22 |
| R3.htm | 37178 | 2026-08-13 16:04:22 |
| R30.htm | 78619 | 2026-08-13 16:04:22 |
| R31.htm | 40147 | 2026-08-13 16:04:22 |
| R32.htm | 87276 | 2026-08-13 16:04:22 |
| R33.htm | 33364 | 2026-08-13 16:04:22 |
| R34.htm | 8251 | 2026-08-13 16:04:22 |
| R35.htm | 9756 | 2026-08-13 16:04:22 |
| R36.htm | 16996 | 2026-08-13 16:04:22 |
| R37.htm | 4521 | 2026-08-13 16:04:22 |
| R38.htm | 25627 | 2026-08-13 16:04:22 |
| R39.htm | 7276 | 2026-08-13 16:04:22 |
| R4.htm | 111544 | 2026-08-13 16:04:22 |
| R40.htm | 16009 | 2026-08-13 16:04:22 |
| R41.htm | 23396 | 2026-08-13 16:04:22 |
| R42.htm | 13223 | 2026-08-13 16:04:22 |
| R43.htm | 10053 | 2026-08-13 16:04:22 |
| R44.htm | 9905 | 2026-08-13 16:04:22 |
| R45.htm | 29511 | 2026-08-13 16:04:22 |
| R46.htm | 13571 | 2026-08-13 16:04:22 |
| R47.htm | 5373 | 2026-08-13 16:04:22 |
| R48.htm | 6526 | 2026-08-13 16:04:22 |
| R49.htm | 6136 | 2026-08-13 16:04:22 |
| R5.htm | 82794 | 2026-08-13 16:04:22 |
| R6.htm | 102716 | 2026-08-13 16:04:22 |
| R7.htm | 444555 | 2026-08-13 16:04:22 |
| R8.htm | 17704 | 2026-08-13 16:04:22 |
| R9.htm | 31163 | 2026-08-13 16:04:22 |
| report.css | 2767 | 2026-08-13 16:04:22 |
| Show.js | 1085 | 2026-08-13 16:04:22 |
 umb.jpg | 9226 | 2026-08-13 16:04:22 |
| vtsi-20260630.xsd | 47858 | 2026-08-13 16:04:22 |
| vtsi-20260630_cal.xml | 47027 | 2026-08-13 16:04:22 |
| vtsi-20260630_def.xml | 327346 | 2026-08-13 16:04:22 |
| vtsi-20260630_lab.xml | 278522 | 2026-08-13 16:04:22 |
| vtsi-20260630_pre.xml | 357942 | 2026-08-13 16:04:22 |
| vtsi20260630_10q.htm | 1799337 | 2026-08-13 16:04:22 |
| vtsi20260630_10q_htm.xml | 2301423 | 2026-08-13 16:04:22 |